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橢圓規
Author:
侯杰材
橢圓規
GeoGebra
New Resources
龙形曲线-分形龙
镂空正方体案例对比
比較五件物件的重量
第三周作业效果演示
盈利與虧蝕
Discover Resources
等積的正方形與正三角形
縫衣針
Parallelogram
線的面畫
分数应用题数量关系线段图示
Discover Topics
Expected Value
Exponential Functions
Rational Numbers
Median Value
Linear Regression